involuntary muscles

英 美
  • 不随意肌
  • involuntary adj.非自愿的;无意的;不由自主的
  • muscles n.肌肉名词muscle的复数形式.
名词 involuntary muscle:
  1. a muscle that contracts without conscious control and found in walls of internal organs such as stomach and intestine and bladder and blood vessels (excluding the heart)